1 /*****************************************************************************
2 * text_renderer.h: common text renderer code
3 *****************************************************************************
4 * Copyright (C) 2007-2008 the VideoLAN team
7 * Authors: Bernie Purcell <bitmap@videolan.org>
8 * Laurent Aimar < fenrir AT videolan DOT org >
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 typedef struct font_stack_t font_stack_t;
30 uint32_t i_color; /* ARGB */
31 uint32_t i_karaoke_bg_color; /* ARGB */
36 static int PushFont( font_stack_t **p_font, const char *psz_name, int i_size,
37 uint32_t i_color, uint32_t i_karaoke_bg_color )
44 p_new = malloc( sizeof( font_stack_t ) );
51 p_new->psz_name = strdup( psz_name );
53 p_new->psz_name = NULL;
55 p_new->i_size = i_size;
56 p_new->i_color = i_color;
57 p_new->i_karaoke_bg_color = i_karaoke_bg_color;
67 for( p_last = *p_font;
69 p_last = p_last->p_next )
72 p_last->p_next = p_new;
77 static int PopFont( font_stack_t **p_font )
79 font_stack_t *p_last, *p_next_to_last;
81 if( !p_font || !*p_font )
84 p_next_to_last = NULL;
85 for( p_last = *p_font;
87 p_last = p_last->p_next )
89 p_next_to_last = p_last;
93 p_next_to_last->p_next = NULL;
97 free( p_last->psz_name );
103 static int PeekFont( font_stack_t **p_font, char **psz_name, int *i_size,
104 uint32_t *i_color, uint32_t *i_karaoke_bg_color )
106 font_stack_t *p_last;
108 if( !p_font || !*p_font )
113 p_last=p_last->p_next )
116 *psz_name = p_last->psz_name;
117 *i_size = p_last->i_size;
118 *i_color = p_last->i_color;
119 *i_karaoke_bg_color = p_last->i_karaoke_bg_color;
124 static const struct {
125 const char *psz_name;
127 } p_html_colors[] = {
128 /* Official html colors */
129 { "Aqua", 0x00FFFF },
130 { "Black", 0x000000 },
131 { "Blue", 0x0000FF },
132 { "Fuchsia", 0xFF00FF },
133 { "Gray", 0x808080 },
134 { "Green", 0x008000 },
135 { "Lime", 0x00FF00 },
136 { "Maroon", 0x800000 },
137 { "Navy", 0x000080 },
138 { "Olive", 0x808000 },
139 { "Purple", 0x800080 },
141 { "Silver", 0xC0C0C0 },
142 { "Teal", 0x008080 },
143 { "White", 0xFFFFFF },
144 { "Yellow", 0xFFFF00 },
147 { "AliceBlue", 0xF0F8FF },
148 { "AntiqueWhite", 0xFAEBD7 },
149 { "Aqua", 0x00FFFF },
150 { "Aquamarine", 0x7FFFD4 },
151 { "Azure", 0xF0FFFF },
152 { "Beige", 0xF5F5DC },
153 { "Bisque", 0xFFE4C4 },
154 { "Black", 0x000000 },
155 { "BlanchedAlmond", 0xFFEBCD },
156 { "Blue", 0x0000FF },
157 { "BlueViolet", 0x8A2BE2 },
158 { "Brown", 0xA52A2A },
159 { "BurlyWood", 0xDEB887 },
160 { "CadetBlue", 0x5F9EA0 },
161 { "Chartreuse", 0x7FFF00 },
162 { "Chocolate", 0xD2691E },
163 { "Coral", 0xFF7F50 },
164 { "CornflowerBlue", 0x6495ED },
165 { "Cornsilk", 0xFFF8DC },
166 { "Crimson", 0xDC143C },
167 { "Cyan", 0x00FFFF },
168 { "DarkBlue", 0x00008B },
169 { "DarkCyan", 0x008B8B },
170 { "DarkGoldenRod", 0xB8860B },
171 { "DarkGray", 0xA9A9A9 },
172 { "DarkGrey", 0xA9A9A9 },
173 { "DarkGreen", 0x006400 },
174 { "DarkKhaki", 0xBDB76B },
175 { "DarkMagenta", 0x8B008B },
176 { "DarkOliveGreen", 0x556B2F },
177 { "Darkorange", 0xFF8C00 },
178 { "DarkOrchid", 0x9932CC },
179 { "DarkRed", 0x8B0000 },
180 { "DarkSalmon", 0xE9967A },
181 { "DarkSeaGreen", 0x8FBC8F },
182 { "DarkSlateBlue", 0x483D8B },
183 { "DarkSlateGray", 0x2F4F4F },
184 { "DarkSlateGrey", 0x2F4F4F },
185 { "DarkTurquoise", 0x00CED1 },
186 { "DarkViolet", 0x9400D3 },
187 { "DeepPink", 0xFF1493 },
188 { "DeepSkyBlue", 0x00BFFF },
189 { "DimGray", 0x696969 },
190 { "DimGrey", 0x696969 },
191 { "DodgerBlue", 0x1E90FF },
192 { "FireBrick", 0xB22222 },
193 { "FloralWhite", 0xFFFAF0 },
194 { "ForestGreen", 0x228B22 },
195 { "Fuchsia", 0xFF00FF },
196 { "Gainsboro", 0xDCDCDC },
197 { "GhostWhite", 0xF8F8FF },
198 { "Gold", 0xFFD700 },
199 { "GoldenRod", 0xDAA520 },
200 { "Gray", 0x808080 },
201 { "Grey", 0x808080 },
202 { "Green", 0x008000 },
203 { "GreenYellow", 0xADFF2F },
204 { "HoneyDew", 0xF0FFF0 },
205 { "HotPink", 0xFF69B4 },
206 { "IndianRed", 0xCD5C5C },
207 { "Indigo", 0x4B0082 },
208 { "Ivory", 0xFFFFF0 },
209 { "Khaki", 0xF0E68C },
210 { "Lavender", 0xE6E6FA },
211 { "LavenderBlush", 0xFFF0F5 },
212 { "LawnGreen", 0x7CFC00 },
213 { "LemonChiffon", 0xFFFACD },
214 { "LightBlue", 0xADD8E6 },
215 { "LightCoral", 0xF08080 },
216 { "LightCyan", 0xE0FFFF },
217 { "LightGoldenRodYellow", 0xFAFAD2 },
218 { "LightGray", 0xD3D3D3 },
219 { "LightGrey", 0xD3D3D3 },
220 { "LightGreen", 0x90EE90 },
221 { "LightPink", 0xFFB6C1 },
222 { "LightSalmon", 0xFFA07A },
223 { "LightSeaGreen", 0x20B2AA },
224 { "LightSkyBlue", 0x87CEFA },
225 { "LightSlateGray", 0x778899 },
226 { "LightSlateGrey", 0x778899 },
227 { "LightSteelBlue", 0xB0C4DE },
228 { "LightYellow", 0xFFFFE0 },
229 { "Lime", 0x00FF00 },
230 { "LimeGreen", 0x32CD32 },
231 { "Linen", 0xFAF0E6 },
232 { "Magenta", 0xFF00FF },
233 { "Maroon", 0x800000 },
234 { "MediumAquaMarine", 0x66CDAA },
235 { "MediumBlue", 0x0000CD },
236 { "MediumOrchid", 0xBA55D3 },
237 { "MediumPurple", 0x9370D8 },
238 { "MediumSeaGreen", 0x3CB371 },
239 { "MediumSlateBlue", 0x7B68EE },
240 { "MediumSpringGreen", 0x00FA9A },
241 { "MediumTurquoise", 0x48D1CC },
242 { "MediumVioletRed", 0xC71585 },
243 { "MidnightBlue", 0x191970 },
244 { "MintCream", 0xF5FFFA },
245 { "MistyRose", 0xFFE4E1 },
246 { "Moccasin", 0xFFE4B5 },
247 { "NavajoWhite", 0xFFDEAD },
248 { "Navy", 0x000080 },
249 { "OldLace", 0xFDF5E6 },
250 { "Olive", 0x808000 },
251 { "OliveDrab", 0x6B8E23 },
252 { "Orange", 0xFFA500 },
253 { "OrangeRed", 0xFF4500 },
254 { "Orchid", 0xDA70D6 },
255 { "PaleGoldenRod", 0xEEE8AA },
256 { "PaleGreen", 0x98FB98 },
257 { "PaleTurquoise", 0xAFEEEE },
258 { "PaleVioletRed", 0xD87093 },
259 { "PapayaWhip", 0xFFEFD5 },
260 { "PeachPuff", 0xFFDAB9 },
261 { "Peru", 0xCD853F },
262 { "Pink", 0xFFC0CB },
263 { "Plum", 0xDDA0DD },
264 { "PowderBlue", 0xB0E0E6 },
265 { "Purple", 0x800080 },
267 { "RosyBrown", 0xBC8F8F },
268 { "RoyalBlue", 0x4169E1 },
269 { "SaddleBrown", 0x8B4513 },
270 { "Salmon", 0xFA8072 },
271 { "SandyBrown", 0xF4A460 },
272 { "SeaGreen", 0x2E8B57 },
273 { "SeaShell", 0xFFF5EE },
274 { "Sienna", 0xA0522D },
275 { "Silver", 0xC0C0C0 },
276 { "SkyBlue", 0x87CEEB },
277 { "SlateBlue", 0x6A5ACD },
278 { "SlateGray", 0x708090 },
279 { "SlateGrey", 0x708090 },
280 { "Snow", 0xFFFAFA },
281 { "SpringGreen", 0x00FF7F },
282 { "SteelBlue", 0x4682B4 },
284 { "Teal", 0x008080 },
285 { "Thistle", 0xD8BFD8 },
286 { "Tomato", 0xFF6347 },
287 { "Turquoise", 0x40E0D0 },
288 { "Violet", 0xEE82EE },
289 { "Wheat", 0xF5DEB3 },
290 { "White", 0xFFFFFF },
291 { "WhiteSmoke", 0xF5F5F5 },
292 { "Yellow", 0xFFFF00 },
293 { "YellowGreen", 0x9ACD32 },
298 static int HandleFontAttributes( xml_reader_t *p_xml_reader,
299 font_stack_t **p_fonts, int i_scale )
302 char *psz_fontname = NULL;
303 uint32_t i_font_color = 0xffffff;
304 int i_font_alpha = 0;
305 uint32_t i_karaoke_bg_color = 0x00ffffff;
306 int i_font_size = 24;
308 /* Default all attributes to the top font in the stack -- in case not
309 * all attributes are specified in the sub-font
311 if( VLC_SUCCESS == PeekFont( p_fonts,
315 &i_karaoke_bg_color ))
317 psz_fontname = strdup( psz_fontname );
318 i_font_size = i_font_size * 1000 / i_scale;
320 i_font_alpha = (i_font_color >> 24) & 0xff;
321 i_font_color &= 0x00ffffff;
323 while ( xml_ReaderNextAttr( p_xml_reader ) == VLC_SUCCESS )
325 char *psz_name = xml_ReaderName( p_xml_reader );
326 char *psz_value = xml_ReaderValue( p_xml_reader );
328 if( psz_name && psz_value )
330 if( !strcasecmp( "face", psz_name ) )
332 free( psz_fontname );
333 psz_fontname = strdup( psz_value );
335 else if( !strcasecmp( "size", psz_name ) )
337 if( ( *psz_value == '+' ) || ( *psz_value == '-' ) )
339 int i_value = atoi( psz_value );
341 if( ( i_value >= -5 ) && ( i_value <= 5 ) )
342 i_font_size += ( i_value * i_font_size ) / 10;
343 else if( i_value < -5 )
344 i_font_size = - i_value;
345 else if( i_value > 5 )
346 i_font_size = i_value;
349 i_font_size = atoi( psz_value );
351 else if( !strcasecmp( "color", psz_name ) )
353 if( psz_value[0] == '#' )
355 i_font_color = strtol( psz_value + 1, NULL, 16 );
356 i_font_color &= 0x00ffffff;
360 for( int i = 0; p_html_colors[i].psz_name != NULL; i++ )
362 if( !strncasecmp( psz_value, p_html_colors[i].psz_name, strlen(p_html_colors[i].psz_name) ) )
364 i_font_color = p_html_colors[i].i_value;
370 else if( !strcasecmp( "alpha", psz_name ) &&
371 ( psz_value[0] == '#' ) )
373 i_font_alpha = strtol( psz_value + 1, NULL, 16 );
374 i_font_alpha &= 0xff;
380 rv = PushFont( p_fonts,
382 i_font_size * i_scale / 1000,
383 (i_font_color & 0xffffff) | ((i_font_alpha & 0xff) << 24),
384 i_karaoke_bg_color );
386 free( psz_fontname );